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Diffstat (limited to 'src/3rdparty/libjpeg/src/ChangeLog.md')
-rw-r--r-- | src/3rdparty/libjpeg/src/ChangeLog.md | 182 |
1 files changed, 164 insertions, 18 deletions
diff --git a/src/3rdparty/libjpeg/src/ChangeLog.md b/src/3rdparty/libjpeg/src/ChangeLog.md index 1fcb065a71..a547522a15 100644 --- a/src/3rdparty/libjpeg/src/ChangeLog.md +++ b/src/3rdparty/libjpeg/src/ChangeLog.md @@ -1,7 +1,153 @@ +2.1.5 +===== + +### Significant changes relative to 2.1.4: + +1. Fixed issues in the build system whereby, when using the Ninja Multi-Config +CMake generator, a static build of libjpeg-turbo (a build in which +`ENABLE_SHARED` is `0`) could not be installed, a Windows installer could not +be built, and the Java regression tests failed. + +2. Fixed a regression introduced by 2.0 beta1[15] that caused a buffer overrun +in the progressive Huffman encoder when attempting to transform a +specially-crafted malformed 12-bit-per-component JPEG image into a progressive +12-bit-per-component JPEG image using a 12-bit-per-component build of +libjpeg-turbo (`-DWITH_12BIT=1`.) Given that the buffer overrun was fully +contained within the progressive Huffman encoder structure and did not cause a +segfault or other user-visible errant behavior, given that the lossless +transformer (unlike the decompressor) is not generally exposed to arbitrary +data exploits, and given that 12-bit-per-component builds of libjpeg-turbo are +uncommon, this issue did not likely pose a security risk. + +3. Fixed an issue whereby, when using a 12-bit-per-component build of +libjpeg-turbo (`-DWITH_12BIT=1`), passing samples with values greater than 4095 +or less than 0 to `jpeg_write_scanlines()` caused a buffer overrun or underrun +in the RGB-to-YCbCr color converter. + +4. Fixed a floating point exception that occurred when attempting to use the +jpegtran `-drop` and `-trim` options to losslessly transform a +specially-crafted malformed JPEG image. + +5. Fixed an issue in `tjBufSizeYUV2()` whereby it returned a bogus result, +rather than throwing an error, if the `align` parameter was not a power of 2. +Fixed a similar issue in `tjCompressFromYUV()` whereby it generated a corrupt +JPEG image in certain cases, rather than throwing an error, if the `align` +parameter was not a power of 2. + +6. Fixed an issue whereby `tjDecompressToYUV2()`, which is a wrapper for +`tjDecompressToYUVPlanes()`, used the desired YUV image dimensions rather than +the actual scaled image dimensions when computing the plane pointers and +strides to pass to `tjDecompressToYUVPlanes()`. This caused a buffer overrun +and subsequent segfault if the desired image dimensions exceeded the scaled +image dimensions. + +7. Fixed an issue whereby, when decompressing a 12-bit-per-component JPEG image +(`-DWITH_12BIT=1`) using an alpha-enabled output color space such as +`JCS_EXT_RGBA`, the alpha channel was set to 255 rather than 4095. + +8. Fixed an issue whereby the Java version of TJBench did not accept a range of +quality values. + +9. Fixed an issue whereby, when `-progressive` was passed to TJBench, the JPEG +input image was not transformed into a progressive JPEG image prior to +decompression. + + +2.1.4 +===== + +### Significant changes relative to 2.1.3: + +1. Fixed a regression introduced in 2.1.3 that caused build failures with +Visual Studio 2010. + +2. The `tjDecompressHeader3()` function in the TurboJPEG C API and the +`TJDecompressor.setSourceImage()` method in the TurboJPEG Java API now accept +"abbreviated table specification" (AKA "tables-only") datastreams, which can be +used to prime the decompressor with quantization and Huffman tables that can be +used when decompressing subsequent "abbreviated image" datastreams. + +3. libjpeg-turbo now performs run-time detection of AltiVec instructions on +OS X/PowerPC systems if AltiVec instructions are not enabled at compile time. +This allows both AltiVec-equipped (PowerPC G4 and G5) and non-AltiVec-equipped +(PowerPC G3) CPUs to be supported using the same build of libjpeg-turbo. + +4. Fixed an error ("Bogus virtual array access") that occurred when attempting +to decompress a progressive JPEG image with a height less than or equal to one +iMCU (8 * the vertical sampling factor) using buffered-image mode with +interblock smoothing enabled. This was a regression introduced by +2.1 beta1[6(b)]. + +5. Fixed two issues that prevented partial image decompression from working +properly with buffered-image mode: + + - Attempting to call `jpeg_crop_scanline()` after +`jpeg_start_decompress()` but before `jpeg_start_output()` resulted in an error +("Improper call to JPEG library in state 207".) + - Attempting to use `jpeg_skip_scanlines()` resulted in an error ("Bogus +virtual array access") under certain circumstances. + + +2.1.3 +===== + +### Significant changes relative to 2.1.2: + +1. Fixed a regression introduced by 2.0 beta1[7] whereby cjpeg compressed PGM +input files into full-color JPEG images unless the `-grayscale` option was +used. + +2. cjpeg now automatically compresses GIF and 8-bit BMP input files into +grayscale JPEG images if the input files contain only shades of gray. + +3. The build system now enables the intrinsics implementation of the AArch64 +(Arm 64-bit) Neon SIMD extensions by default when using GCC 12 or later. + +4. Fixed a segfault that occurred while decompressing a 4:2:0 JPEG image using +the merged (non-fancy) upsampling algorithms (that is, with +`cinfo.do_fancy_upsampling` set to `FALSE`) along with `jpeg_crop_scanline()`. +Specifically, the segfault occurred if the number of bytes remaining in the +output buffer was less than the number of bytes required to represent one +uncropped scanline of the output image. For that reason, the issue could only +be reproduced using the libjpeg API, not using djpeg. + + +2.1.2 +===== + +### Significant changes relative to 2.1.1: + +1. Fixed a regression introduced by 2.1 beta1[13] that caused the remaining +GAS implementations of AArch64 (Arm 64-bit) Neon SIMD functions (which are used +by default with GCC for performance reasons) to be placed in the `.rodata` +section rather than in the `.text` section. This caused the GNU linker to +automatically place the `.rodata` section in an executable segment, which +prevented libjpeg-turbo from working properly with other linkers and also +represented a potential security risk. + +2. Fixed an issue whereby the `tjTransform()` function incorrectly computed the +MCU block size for 4:4:4 JPEG images with non-unary sampling factors and thus +unduly rejected some cropping regions, even though those regions aligned with +8x8 MCU block boundaries. + +3. Fixed a regression introduced by 2.1 beta1[13] that caused the build system +to enable the Arm Neon SIMD extensions when targetting Armv6 and other legacy +architectures that do not support Neon instructions. + +4. libjpeg-turbo now performs run-time detection of AltiVec instructions on +FreeBSD/PowerPC systems if AltiVec instructions are not enabled at compile +time. This allows both AltiVec-equipped and non-AltiVec-equipped CPUs to be +supported using the same build of libjpeg-turbo. + +5. cjpeg now accepts a `-strict` argument similar to that of djpeg and +jpegtran, which causes the compressor to abort if an LZW-compressed GIF input +image contains incomplete or corrupt image data. + + 2.1.1 ===== -### Significant changes relative to 2.1.0 +### Significant changes relative to 2.1.0: 1. Fixed a regression introduced in 2.1.0 that caused build failures with non-GCC-compatible compilers for Un*x/Arm platforms. @@ -22,15 +168,15 @@ metadata. 5. libjpeg-turbo should now build and run on CHERI-enabled architectures, which use capability pointers that are larger than the size of `size_t`. -6. Fixed a regression introduced by 2.1 beta1[5] that caused a segfault in the -64-bit SSE2 Huffman encoder when attempting to losslessly transform a -specially-crafted malformed JPEG image. +6. Fixed a regression (CVE-2021-37972) introduced by 2.1 beta1[5] that caused a +segfault in the 64-bit SSE2 Huffman encoder when attempting to losslessly +transform a specially-crafted malformed JPEG image. 2.1.0 ===== -### Significant changes relative to 2.1 beta1 +### Significant changes relative to 2.1 beta1: 1. Fixed a regression introduced by 2.1 beta1[6(b)] whereby attempting to decompress certain progressive JPEG images with one or more component planes of @@ -65,10 +211,10 @@ progressive JPEG format described in the report ["Two Issues with the JPEG Standard"](https://libjpeg-turbo.org/pmwiki/uploads/About/TwoIssueswiththeJPEGStandard.pdf). 7. The PPM reader now throws an error, rather than segfaulting (due to a buffer -overrun) or generating incorrect pixels, if an application attempts to use the -`tjLoadImage()` function to load a 16-bit binary PPM file (a binary PPM file -with a maximum value greater than 255) into a grayscale image buffer or to load -a 16-bit binary PGM file into an RGB image buffer. +overrun, CVE-2021-46822) or generating incorrect pixels, if an application +attempts to use the `tjLoadImage()` function to load a 16-bit binary PPM file +(a binary PPM file with a maximum value greater than 255) into a grayscale +image buffer or to load a 16-bit binary PGM file into an RGB image buffer. 8. Fixed an issue in the PPM reader that caused incorrect pixels to be generated when using the `tjLoadImage()` function to load a 16-bit binary PPM @@ -234,11 +380,11 @@ methods in the TurboJPEG Java API. 2. Fixed or worked around multiple issues with `jpeg_skip_scanlines()`: - - Fixed segfaults or "Corrupt JPEG data: premature end of data segment" -errors in `jpeg_skip_scanlines()` that occurred when decompressing 4:2:2 or -4:2:0 JPEG images using merged (non-fancy) upsampling/color conversion (that -is, when setting `cinfo.do_fancy_upsampling` to `FALSE`.) 2.0.0[6] was a -similar fix, but it did not cover all cases. + - Fixed segfaults (CVE-2020-35538) or "Corrupt JPEG data: premature end of +data segment" errors in `jpeg_skip_scanlines()` that occurred when +decompressing 4:2:2 or 4:2:0 JPEG images using merged (non-fancy) +upsampling/color conversion (that is, when setting `cinfo.do_fancy_upsampling` +to `FALSE`.) 2.0.0[6] was a similar fix, but it did not cover all cases. - `jpeg_skip_scanlines()` now throws an error if two-pass color quantization is enabled. Two-pass color quantization never worked properly with `jpeg_skip_scanlines()`, and the issues could not readily be fixed. @@ -609,7 +755,7 @@ algorithm that caused incorrect dithering in the output image. This algorithm now produces bitwise-identical results to the unmerged algorithms. 12. The SIMD function symbols for x86[-64]/ELF, MIPS/ELF, macOS/x86[-64] (if -libjpeg-turbo is built with YASM), and iOS/Arm[64] builds are now private. +libjpeg-turbo is built with Yasm), and iOS/Arm[64] builds are now private. This prevents those symbols from being exposed in applications or shared libraries that link statically with libjpeg-turbo. @@ -1494,8 +1640,8 @@ either the fast or the accurate DCT/IDCT algorithms in the underlying codec. ### Significant changes relative to 1.2 beta1: -1. Fixed build issue with YASM on Unix systems (the libjpeg-turbo build system -was not adding the current directory to the assembler include path, so YASM +1. Fixed build issue with Yasm on Unix systems (the libjpeg-turbo build system +was not adding the current directory to the assembler include path, so Yasm was not able to find jsimdcfg.inc.) 2. Fixed out-of-bounds read in SSE2 SIMD code that occurred when decompressing @@ -1563,7 +1709,7 @@ transposed or rotated 90 degrees. 8. All legacy VirtualGL code has been re-factored, and this has allowed libjpeg-turbo, in its entirety, to be re-licensed under a BSD-style license. -9. libjpeg-turbo can now be built with YASM. +9. libjpeg-turbo can now be built with Yasm. 10. Added SIMD acceleration for ARM Linux and iOS platforms that support NEON instructions. |